Volume 6 (2015) - Issue 6, June
STRESS DEGRADATION BEHAVIOR OF PREGABALIN, IDENTIFICATION OF DEGRADATION IMPURITIES AND DEVELOPMENT OF STABILITY INDICATING UPLC METHOD
A novel, high-throughput, reverse phase-ultra performance liquid chromatographic (RP-UPLC) method has been developed for the quantification of Pregabalin and its related impurities in drug substance. The stability-indicating capability of the developed method is demonstrated using forced degradation samples from stress conditions such as hydrolysis, oxidation, thermal and photolytic degradation. T...
Mankind has been exploring many new dimensions and techniques to obtain the most feasible and cost effective biopolymers. Biopolymers are the 21st century polymers and are in great demand as they are very easy to produce through the microbial partners and their conglomeration. Future is all about the emancipation of higher finesse quality products with an iota of eco-friendliness. Biodegradation a...
Bacterial Food Poisoning' is a common name given to predominantly gastro-intestinal infections which arise after the consumption of food or drink that is contaminated with disease-causing bacteria. Over 250 organisms are known to cause food borne illnesses. Ayurveda is an ancient medical science & has described the food poisoning indirectly in the form of Anna Vishaktata. The aims of present s...
Heterocyclic compounds are acquiring more importance in recent years because of their pharmacological activities. Pyrazolones have a particular value due to their broad spectrum of biological activity and their wide ranging utility as synthetic tools in the design of various bioactive molecules. Pyrazolone is a five membered lactum ring, containing two nitrogen and one ketonic group in its structu...
Carbonic anhydrases (CAs, EC 18.104.22.168), are a superfamily of metalloenzymes in higher vertebrates, including humans. Sixteen distinct isoenzymes of CA are known to exist in mammals and most of these isoenzymes have been extensively investigated in terms of their biochemical properties, tissue distribution, and genetic control. There are cytosolic isozymes (CA I, CA II, CA III, CA VII and CA XIII), ...
DEVELOPMENT AND CHARACTERIZATION OF INNOVATIVE LIQUID SALT BASED FORMULATIONS OF SPARINGLY SOLUBLE DRUGS
As a result of tremendous efforts in past few decades, various techniques have been developed in order to resolve solubility issues. However, majority of these techniques offer benefits associated with certain drawbacks; majorly including low drug loading, physical instability on storage and excessive use of environmentally challenging organic solvents. Hence, current effort was to develop an eco-...
VALIDATION AND CHARACTERIZATION OF NANOPARTICLES AUNPS AND AUNPS-LAN CONJUGATE FOR CAPILLARY ELECTROPHORESIS
The Ooctapéptido (LAN: 3-(2-Naphthalenyl)-D-alanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-valyl-L-cysteinyl-L-threoninamide (2 → 7) disulphide acetate, angiopeptin acetate) cyclic covered gold nanoparticles (AuNPs) results in a complex (AuNPs-LAN) when reacted following the aqueous synthesis using Turkevich method for preparing colloidal gold nanoparticles followed by reaction of conjugat...
EX-VIVO PENETRATION OF NANOMETRIC ZnO and TiO2 ACROSS ACTINICALLY DAMAGED PORCINE SKIN: DEVELOPMENT OF AN ALBINISTIC SKIN PROTECTION TREATMENT
The skin penetration and safety of nanometric zinc oxide and titanium dioxide incorporated in a cosmeceutical cream, specifically designed to retard skin actinic damage in tropical Oculocutaneous albinism was investigated ex-vivo through simulated actinically damaged porcine skin. Franz diffusion cells were used in an experiment modeled in line with related work done by Diembeck et al (1999); the ...
ANTIMICROBIAL ACTIVITY OF SECONDARY METABOLITES PRODUCED BY ENDOPHYTIC FUNGI ISOLATED FROM STEMS OF JATI TREE (TECTONAGRANDIS L.F)
Diaporthephaseolorum is endophytic fungi isolated from Jatitree (Tectonagrandis L.f). Endophytic microbes were microbes that spent part or all of their life live within plant tissue of a host plant. They produce secondary metabolites with potent anti microbial activity. Jatitree (Tectonagrandis L.f) was one of herbal plants that act as host plants for endophytic microbes that produce seconda...
The antioxidant potential of the aqueous and hydro/ethanolic (ethanol/water) extracts of Crinum jagus were explored considering their total phenolic, flavonoid and proanthocyan contents, 1.1-Diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity, ferrous ions chelating ability and nitric oxide radical inhibiting activity. Hydroethanolic extract has exhibited the highest total polyphenol...
The effect of amphiphilic polyanion Poly(maleic acid-alt-octadecene)sodium salt on solubility of a zwitterionic drug (ampicillin trihydrate) in aqueous media was evaluated. This polymeric salt was obtained by an equimolar reaction of parent copolymer poly Poly(maleic acid-alt-octadecene)with an aqueous solution of NaOH. The obtained amphiphilic polyanion was purified by dialysis and lyophilization...
STUDIES OF PRELIMINARY PHYTOCHEMICAL SCREENING, MEMBRANE STABILIZING ACTIVITY, THROMBOLYTIC ACTIVITY AND IN-VITRO ANTIOXIDANT ACTIVITY OF LEAF EXTRACT OF CITRUS HYSTRIX
In this present study, the leaf extracts of Citrus hystrix were subjected to a comparative evaluation of preliminary phytochemical screening, membrane stabilizing activity, thrombolytic activity and In-vitro antioxidant activity. The thrombolytic and membrane stabilizing activities were assessed by using human erythrocyte and the results were compared with standard streptokinase (SK) and standard ...
OPTIMIZATION OF INFLUENZA A AND B VIRUSES CULTIVATION CONDITIONS FOR PREPARATION OF TRIVALENT SEASONAL INFLUENZA SPLIT VACCINE
This article presents the results of studies on determination of optimal parameters of recombinant strains A/NYMC X-217 (H3N2) and B/NYMC BX-49 of influenza virus cultivation in chicken embryos. It is found that a maximum virus accumulation is formed under the following cultivation conditions: age of chicken embryos is 9-11 days in case of inoculation of the allantoic cavity, inoculated virus dose...
INCREASED INSULIN RESISTANCE, DYSLIPIDEMIA, PRO-INFLAMMATORY MARKERS AND ENDOTHELIAL DYSFUNCTION IN CASTRATED MALE RATS: ROLE OF TESTOSTERONE REPLACEMENT
Molecular effects of androgens on cardiovascular system are variable in nature and are concentration dependent. In spite of the evidences favoring possible involvement of reduced endogenous androgens in the pathogenesis of atherosclerotic vascular disease, there is no certain role of exogenous testosterone supplementation in normal or hypogonadal males to slow down the progression of atheroscleros...
ASSESSMENT OF PHARMACEUTICAL QUALITY CONTROL AND IN VITRO EQUIVALENCE OF VARIOUS BRANDS OF ATENOLOL (100MG) TABLETS AVAILABLE IN SUDANESE MARKET UNDER BIOWAIVER CONDITIONS.
As Atenolol is one of the first choice medications in the management of hypertension in Sudan, it was very important to carry out post authorization safety studies on some of the brands commercially available on the market. The pharmaceutical equivalence of three Atenolol 100 mg tablets was evaluated using official and non-official standards according to US Pharmacopoeia including weight variation...
PROTECTIVE ROLE OF TRIBULUS TERRESTRIS ON ALUMINIUM CHLORIDE – INDUCED REPRODUCTIVE TOXICITY IN THE MALE LABORATORY MOUSE
The present study deals with the efficacy of Tribulus terrestris (TT) on aluminium chloride (AlCl3) - induced alterations in the reproductive organs and fertility of the male laboratory mouse. Thirty adult male mice were divided into six groups of five each. Group I served as control while that of II, III and IV received various doses of AlCl3 (25, 50, 100 mg/kgBW/day, respectively), for 30 days. ...
SYNTHESIS, CHARACTERIZATION AND BIOLOGICAL EVALUATION OF NEW BAYLIS-HILLMAN DERIVED NITRO METHYLENE IMIDAZOLE DERIVATIVES AS INSECTICIDAL AGENTS
A series of Baylis-Hillman derived N-cinnamyl substituted nitro methylene imidazole derivatives 4a-swere synthesizedfrom Baylis-Hillman acetates and nitro methylene imidazole compoundsand characterised by 1H NMR, IR, Mass and HRMS spectroscopy. Their insecticidal activities were evaluated against T. Castaneum and compared with a standard insecticide Permethrane. Preliminary biological activity tes...
VALIDATED HPTLC METHOD FOR THE SIMULTANEOUS DETERMINATION OF EMTRICITABINE AND TENOFOVIR IN DRUG FORMULATION
A simple, precise, specific and accurate high-performance thin-layer chromatographic method has been developed for the simultaneous determination of Emtricitabine (EMB) and Tenofovir (TEN) in pharmaceutical dosage form. The separation was carried out on Merck HPTLC aluminum plates of silica gel 60 F254, (20×10 cm) with 250 μm thickness using toluene: ethylacetate: methanol in the ratio (2:8:1 v/...
PROTECTIVE EFFICACY OF ETHYL 3, 4- DIHYDROXY BENZOATE AGAINST EXERCISE INDUCED DAMAGES: PUTATIVE ROLE IN IMPROVING PHYSICAL PERFORMANCE
Training under hypoxic conditions is known to enhance physical performance. The possible mechanism might be the stabilization of Hypoxia Inducible Factor (HIF), which otherwise is degraded under normoxia by the action of Prolyl Hydroxylase domain enzymes (PHD). Stabilization of HIF leads to upregulation of its target genes leading to improved erythropoiesis, angiogenesis and antioxidant status as ...
Introduction: Angiogenesis is the formation of new blood vessels which is a process involved in development of tumors and other neovascular diseases. Developmental angiogenesis in zebra fish embryos is a relevant and emergent model to evaluate the anti-angiogenesis activity which was used in present study. With this model, blood vessel formation and the blood flow can be clearly observed. Various ...
The global rise in dengue cases is a major public health concern in terms of morbidity and mortality. The recent study reports 390 million dengue infections annually of which 96 million infections becomes clinically or subclinically severe. Therefore, development of an effective tetravalent vaccine against dengue is a top priority. Dengue envelope domain III is a surface exposed protein; involved ...
Many countries in Africa, Asia and Latin America use traditional medicine (TM) to meet some of their primary health care needs. In Ethiopia, Traditional Medicine (TM) is a part of the national heritage. Also Ethiopia is the home of many nationalities and remarkably diverse flora, including numerous endemic species that are utilized in the different traditional medical practices. Beyond the conveni...
STUDY OF ANTIDEPRESSANT ACTIVITY OF CHRONIC ADMINISTRATION OF TRAMADOL AND WHEN IT IS CO-ADMINISTERED WITH FLUOXETINE IN LOW DOSES IN SWISS ALBINO MICE USING DESPAIR SWIM TEST
Objective: To evaluate the antidepressant activity of chronic administration of Tramadol alone and when combined with Fluoxetine in low doses in albino mice. Methods: The antidepressant effect was determined by recording the immobility time in Despair Swim Test. The mice were randomized into seven groups, with six mice in each group. Group 1 mice were given normal saline (10 ml/kg) which served as...
The Turmeric (Curcuma Longa.L) plant, a perennial herb belonging to the ginger family is cultivated extensively in South East Asian countries. The polyphenols Curcumin, De methoxy curcumin and Bisdemethoxy curcumin collectively known as curcuminoids ,which aid in the treatment of degenerative diseases like cancer, alzheimer’s, cardio vascular diseases, arthritis, diabetes and immune deficiencies...
EVALUATION OF ANTI-MICROBIAL ACTIVITY OF IN VITRO AND IN VIVO PLANT PARTS OF MERREMIA DISSECTA AND MERREMIA AEGYPTIA
The present study deals with the evaluation of the antimicrobial activity in methanolic extracts of in vivo (leaf, stem and seed) and in vitro (callus) plant parts of Merremia dissecta and Merremia aegyptia belonging to family Convolvulaceae. The antimicrobial activity against six different microbial strains, four bacterial viz. Bacillus thuringiensis, Bacillus subtilis, Eschrechia coli and Pseudo...
SIMULTANEOUS EQUATION METHOD AND ABSORPTION CORRECTION METHOD FOR THE ESTIMATION OF PERINDOPRIL ERBUMINE AND AMLODIPINE BESYLATE IN BULK AND IN COMBINED TABLET DOSAGE FORM USING UV SPECTOPHOTOMETRY
In the present work a simple, accurate and precise method has been developed and validated for the simultaneous estimation of Perindopril Erbumine (PDE), Amlodipine Besylate (AMD)and in their combined dosage form by UV Spectrophotometric Methods. The Method A employs estimation of drugs by simultaneous equation method (SEM) using 298.3 nm and 231.9nm i.e. λmax values of PDE and AMD respectively. ...
The leaves and fruits of Smilax perfoliata are traditionally used for treatment of various ailments such as rheumatism, lumbago, nourishing the functions of spleen, stomach, muscle and bone. The intent of the present study was to evaluate the antioxidant and anti-ulcer activity of ethanolic leaves and fruits extract of Smilax perfoliata Linn in albino rats. Gastric ulcers were induced by employing...
The present investigation deals with preliminary phytochemical analysis and in vitro antibacterial potentials of different solvent extracts of Gymnema sylvestre were demonstrated. The phytochemical tests of the extracts have revealed the presence of alkaloids, flavonoids, phenols, tannins, terpenoids carbohydrate, tannin, and saponin. Five gram-positive (Bacillus cereus, Bacillus subtilis, Strepto...
The aim of this study was to determine the anti-microbial and anti-adhesive properties of a Lactobacillus and Bacillus, against several micro-organisms, including Gram-positive and Gram-negative bacteria. Biofilm producing micro- organisms were isolated from different samples. The isolated micro-organism were characterized and identified. The anti-microbial and anti-adhesive activities were determ...
COMBINED EFFECTS OF ATORVASTATIN AND NICOTINE ON TESTICULAR EXPRESSION OF STEROIDOGENIC ENZYMES IN EXPERIMENTAL RATS
Nicotine and atorvastatin have indirect effects on reproductive function. So this study focused on changes in testosterone biosynthesis in rats co administered nicotine and atorvastatin. Rats were divided into 4 groups.(1) Control, (2) Atorvastatin (10 mg/Kg b.wt), (3) Nicotine (0.6 mg/Kg b.wt)and (4) Atorvastatin (10 mg/Kg b.wt) + nicotine (0.6 mg/Kg b.wt). After sixty days of treatment testicu...
In order to protect from UV radiations, naturally occurring safe and broad spectrum components are desired. The chemical sun blockers viz. ZnO and TiO2 gives broad spectrum UV protection but, its safety is doubted. Aim of present communication was to study UV protective activity of water immiscible pigments of fruit rinds of Garcinia indica. Out of various extracts used for sun protective activity...
The plant Piper chaba is an herbaceous and flowering plants. It is a tropical family of five genera and 500 species which are distributed in tropical and subtropical regions. All the parts of this plant such as Stem, leaves and fruits has activated medicinal compounds. Stem and leaves were successively extracted with different organic purified solvent such as petroleum ether, chloroform, ethyl ace...
EXTRACTION AND CHARACTERIZATION OF ASTAXANTHIN FROM THE CRUSTACEAN SHELL WASTE FROM SHRIMP PROCESSING INDUSTRIES
India having a large stretch of marine coastline is advantageous as a natural resource for marine aquaculture. But the waste produce from the marine processing industries fetch a greater environmental risk as there is accumulation of wastes in huge quantity. These wastes are a larger source of natural carotenoids that have a huge pharmaceutical potentials. So proper initiatives must be taken to re...
Biologically potent compounds are one of the most important classes of materials for the upcoming generations. Increasing number of microbial infectious diseases and resistant pathogens create a demand and urgency to develop novel, potent, safe and improved variety of antimicrobial agents. This initiates a task for current chemistry to synthesize compounds that show promising activity as therapeut...
The aim of the present study is to identify the volatile, bioactive phytoconstituents present in the ethanolic extract of the leaves of Glochidion ellipticum Wt. (Euphorbiaceae) was carried out by using GC-MS analysis, while mass spectra of the compounds found in the extract was matched with the National Institute of Standards and Technology and Wiley library. Twenty seven components from leaves o...
Antioxidants prevent the damage done to the cells by free radicals that are released during the normal metabolic process of oxidation. Some of these free radicals include reactive oxygen species, hydroxyl, the superoxide anion, hydrogen peroxide and peroxyl which generate metabolic products that attack lipids in the cell membranes or DNA. These are associated with DNA damage, carcinogenesis and ce...
A STUDY ON ATTITUDE AND SATISFACTION OF PATIENTS TOWARDS UNANI AND AYURVEDIC HEALTH CARE SERVICE WITHIN MEDICAL PLURALISM IN THE CONTEXT OF BANGLADESH
Unani and Ayurvedic heath care system is considerable areas of medical treatment in Bangladesh where patient can avail it from different Govt. or private hospital. This cross-sectional study was undertaken to find out the satisfaction of patients attending in this health care system from January to April 2014. A total of 240 respondents were interviewed with an interviewer administered semi-struct...
PHARMACOKINETICS AND PHARMACODYNAMICS OF ELORES IN COMPLICATED URINARY TRACT INFECTIONS CAUSED BY EXTENDED SPECTRUM BETA-LACTAMASE STRAINS.
The pharmacokinetic/pharmacodynamic indices generally predict the efficacy of antibiotics when used alone. The information related to these indices for the combination products and that too in cases of resistant bacterial infections is limited. The present study involved treatment of 12 subjects with severe complicated urinary tract infections caused by resistant extended spectrum beta lactamase b...
A SIMPLE VISIBLE SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF ARMODAFINIL IN BULK AND PHARMACEUTICAL DOSAGE FORM
Armodafinil is an enantiopure of the wakefulness -promoting drug Modafinil, unique psycho stimulant recently approved by the US Food and Drug Administration for the treatment of narcolepsy; it is useful for treating excessive day time sleepiness. A simple, sensitive and accurate and economical spectrophotometric method has been developed for the estimation of Armodafinil in bulk and pharmaceutical...
Felodipine is a member of the dihydropyridine class of calcium channel antagonists (calcium channel blockers) and is insoluble in water. To counter act above side effects, to enhance bioavailability of felodipine in blood stream and to make drug to more targeting, felodipine drug is being designed as nanosuspension formulation using hydroxyl propyl methyl cellulose and hydroxyl propyl cellulose as...
The ligands bis-(benzimidazolyl)pyridine (BBIP) and bis-(benzimidazolyl)benzene (BBIB) have been used to synthesize Copper(II) complexes [Cu(BBIP)2]Cl2 and [Cu(BBIB)2]Cl2 respectively. The complexes are characterized by analytical and spectral (FTIR, 1H NMR and electronic) techniques. IR spectra of complexes show that the tertiary nitrogens in the ligand are involved in the co-ordination to the me...
During the recent times, the whole world is conscious about the health hazards and toxicity associated with indiscriminate use of synthetic drugs. There is extensive surge of drugs which are safer and having fewer side effects. So there is a growing interest in natural remedies for the management of different ailments. Ayurveda describes different remedies prepared by using maximum percentage of t...
In the present study, high performance thin layer chromatographic method was developed and quantification of Diosgenin from Albizia lebbeck. TLC auminium precoated with silica gel were used as the stationary phase in a twin see through glass chamber saturated with n-butanol: glacial acetic acid: water (4:1:1) mobile phase, performed at room temperature (25ºC ± 2). The Rf value of diosgenin was f...
CHEMICO-BIOLOGICAL EFFECTS OF MONASCUS FERMENTED RICE (ANGKAK) IN HYPERLIPIDEMIC RATS: A COMPARATIVE ANALYSIS
Angkak rice (red mold rice, red yeast rice, Chinese red rice) which is a product of solid fermentation was prepared from non glutinous rice (Oryza sativa L.). Five different angkak samples containing varied level of lovastatin, pravastatin and citrinin suspension at a dose of 1g/kg were administered to hyperlipidemic rats for 30 days. There was a significant decrease in serum total cholesterol (30...
DETERMINATION OF LAFUTIDINE THROUGH OXIDATIVE COUPLING REACTION IN BULK SAMPLE AND DOSAGE FORMS- A NEW APPROACH
A simple, sensitive, highly accurate method has been developed for the determination of Lafutidine in bulk sample and dosage forms. This method is based on the oxidative coupling reaction of drug with 3-methyl-2-benzothialinone hydrazine hydrochloride (MBTH) reagent in the presence of ferric chloride to form green colored chromogen exhibiting maximum absorption at 630 nm. Beer’s law was obeyed a...
WOUND HEALING ACTIVITIES OF FICUS RACEMOSA LEAVES ETHANOLIC EXTRACT ON EXCISION WOUND MODEL OF WISTAR ALBINO RATS
Present study describes wound healing activities of Ficus racemosa (Linn.) leaves extract on excision wound model of wistar albino rats. During the study, fresh plant materials after shade drying was used for the isolation of extract using soxhlet apparatus and percentage yield was obtained (3.50% in ethanol). Then, preliminary phytochemical screening of the extract was done and certain secondary ...
Cissampelos pariera, an important medicinal plant was subjected to elicitation and bioconversion of precursors for the formation of Berberine, an important medicinal component. In vitro cultures of Cissampelos pariera, was successfully established using stem and leaf explants. MS Media fortified with IAA (2 mg/l) alone and MS media enriched with IAA (2mg/l) showed profuse callusing from leaf and s...
In the present study, the hydro-alcoholic and hexane extracts of the plant, Valeriana jatamansi (Family: Valerianaceae) were screened for antimicrobial activity against pathogenic and drug resistant strains. The non polar extracts did not showed any activity against any of the pathogenic strains. Amongst these extracts the hydro-alcoholic extracts of the plant, Valeriana jatamansi, showed potent...
In the present study the anti-arthritic activity of ethanolic extracts of leaf and seed of Elaeocarpus serratus L. was evaluated in vitro using two models namely on the inhibition of protein denaturation and anti-proteinase activities. Indomethacin was used as a standard drug. Results revealed that the ethanolic leaf and seed extracts of E. serratus at two different concentrations (200 and 400 µg...